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Thread: lean condition

  1. #1
    Junior Member JOURNEYMAN
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    lean condition

    Say if you were running a blown alcohol sbc what kind of EGT's and characteristics would you find this may sound stupid but I know you can run a motor lean so lean that it won't really make any power or hurt its self! Just having a little problem getting my car to really make any power

  2. #2
    Senior Member EXPERT BUILDER
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    I like running my EGT around 1150 deg is your motor injected or carb.
    Blowninjected 540 - when is going fast, Fast enough ?????

    http://www.racingjunk.com/profile/182079

  3. #3
    Junior Member JOURNEYMAN
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    Carb but the EGT's are only going up to 800 ish but the motor is wantn to run a little warm

  4. #4
    Senior Member EXPERT BUILDER
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    800 on the egts is alot lean thats why its running warm
    Blowninjected 540 - when is going fast, Fast enough ?????

    http://www.racingjunk.com/profile/182079

  5. #5
    Senior Member RACING JUNKIE
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    More details, you should be making some hp!

  6. #6
    Senior Member RACING JUNKIE
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    Quote Originally Posted by blowninjected540
    800 on the egts is alot lean thats why its running warm
    the higher the # the leaner it is
    David Lanning
    IHRA NHRA 387B

    Fleenor Racing Transmission
    419-280-1406
    Lanning Electric
    Complete Drag Car Wiring
    APD Race Engines
    www.apdracing.com

  7. #7
    Senior Member EXPERT BUILDER
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    Dont have an EGT set up on my car but what would be a good reading on a single EGT in each header?

  8. #8
    Junior Member JOURNEYMAN
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    Well I have fattened it up a bunch and now have the biggest jets I own in my carbs and the motor is still running 185 degrees still seams to be a little to hot with alcohol to me. Motor was wantn to run over 200 be for. I have jumped the jets up a lot. But I think my EGT gauge isn't worth a crap it still reads the same and I've picked up over 1/2 second. I would think the actual EGT would have changed.

  9. #9
    Senior Member RACING JUNKIE
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    Quote Originally Posted by wazup
    Dont have an EGT set up on my car but what would be a good reading on a single EGT in each header?
    1075ish
    David Lanning
    IHRA NHRA 387B

    Fleenor Racing Transmission
    419-280-1406
    Lanning Electric
    Complete Drag Car Wiring
    APD Race Engines
    www.apdracing.com

  10. #10
    Senior Member RACING JUNKIE
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    Is the motor idling high? Are you sure you did not suck an intake gasket?
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